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AbstractAxiomDescriptor.java
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AbstractAxiomDescriptor.java
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package cz.cvut.kbss.ontodriver.descriptor;
import cz.cvut.kbss.ontodriver.model.Assertion;
import cz.cvut.kbss.ontodriver.model.NamedResource;
import java.net.URI;
import java.util.Objects;
import java.util.Set;
/**
* Defines common API for axiom descriptors.
*/
public abstract class AbstractAxiomDescriptor {
private final NamedResource subject;
protected AbstractAxiomDescriptor(NamedResource subject) {
this.subject = Objects.requireNonNull(subject);
}
public NamedResource getSubject() {
return subject;
}
/**
* Gets the set of assertions in this descriptor.
*
* @return Set of assertions
*/
public abstract Set<Assertion> getAssertions();
/**
* Checks whether this descriptor contains the specified assertion.
*
* @param assertion Assertion to look for
* @return {@code boolean} result
*/
public abstract boolean containsAssertion(Assertion assertion);
/**
* Gets the set of repository context identifiers in which this descriptor's subject may be.
*
* @return Set of context identifiers
*/
public abstract Set<URI> getSubjectContexts();
/**
* Gets the set of repository context identifiers in which the specified assertion values may be.
*
* @return Set of context identifiers
*/
public abstract Set<URI> getAssertionContexts(Assertion assertion);
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof AbstractAxiomDescriptor)) return false;
AbstractAxiomDescriptor that = (AbstractAxiomDescriptor) o;
return subject.equals(that.subject);
}
@Override
public int hashCode() {
return Objects.hash(subject);
}
}